CN205542914U - Fire prevention high power capacity cylinder battery - Google Patents
Fire prevention high power capacity cylinder battery Download PDFInfo
- Publication number
- CN205542914U CN205542914U CN201620095007.0U CN201620095007U CN205542914U CN 205542914 U CN205542914 U CN 205542914U CN 201620095007 U CN201620095007 U CN 201620095007U CN 205542914 U CN205542914 U CN 205542914U
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- China
- Prior art keywords
- battery
- pole
- battery case
- fire
- hollow bulb
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model discloses a fire prevention high power capacity cylinder battery, including battery case and the electric core of setting in the battery case, the upper and lower end inner wall of battery case bonds there is the insulating layer, be provided with the layer of putting out a fire between the top cap of electricity core upper end and battery case, the outer uniform distribution of battery case is provided with heat radiation fins, and open lower extreme both sides position on the battery case has battery fixation nut. This battery can prevent ear contact battery shell short circuit of the positive negative pole utmost point and the explosion of electric core catching fire, effectively improves the battery security, avoids to take place more major break down, improves the battery availability factor simultaneously.
Description
Technical field
The utility model relates to a kind of fire prevention high-capacity cylindrical battery.
Background technology
Large Copacity cylinder type lithium ion secondary battery is widely used on power and energy storage, lithium rechargeable battery can explode by catching fire when short circuit, cause personal safety and property loss, and lithium rechargeable battery is at big electric current with under the conditions of working long hours, can produce amount of heat, hot conditions can reduce lithium battery and use safety, capacity and cycle life.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of fire safety and the high fire prevention high-capacity cylindrical battery of radiating efficiency.
The utility model solves its technical problem and be the technical scheme is that
A kind of fire prevention high-capacity cylindrical battery, including battery case and the battery core being arranged in battery case, described battery case upper and lower end inwall is bonded with insulating barrier, it is provided with fire extinguishing layer between described battery core upper end and the top cover of battery case, battery case outer surface is uniformly distributed and is provided with radiating fin, and battery case upper and lower side two side position has battery fixing nuts.
As the improvement of technique scheme, the top cover of described battery case is respectively arranged with insulating trip, explosion-proof valve, fire extinguishing storehouse and fire extinguishing storehouse and fixes nut, and positive and negative electrode pole fixes nut with positive and negative electrode pole.
As the further improvement of technique scheme, in described positive and negative electrode pole, it is equipped with fastp-acting fuse.
Further, described just, negative pole pole includes pole nut and pole bolt, the front portion of described pole nut is tapped hollow bulb, resistance to big electric current spring I it is provided with in the hollow bulb of pole nut, described pole bolt front portion is for carrying externally threaded hollow bulb, resistance to big electric current spring II it is provided with in the hollow bulb of pole bolt, described tapped pole nut hollow bulb is threadeded with carrying externally threaded pole bolt hollow bulb, described fastp-acting fuse is placed in the hollow bulb of pole nut and the hollow bulb of pole bolt, these fastp-acting fuse two ends contact with resistance to big electric current spring I and resistance to big electric current spring II respectively.
Further, described fire extinguishing storehouse includes fusible alloy nozzle, organic solvent extinguishing agent bin, fire extinguishing storehouse fixing hole and positive and negative electrode pole column hole, the explosion-proof valve top that described fusible alloy nozzle is positioned on top cover, described organic solvent extinguishing agent bin material is high-temperature insulation polymer, is organic solvent extinguishing chemical in organic solvent extinguishing agent bin.
Further, described fire extinguishing layer includes the fire extinguishing outer layer that low melting point polymer material is made and the organic solvent extinguishing chemical being filled in fire extinguishing outer layer.
The beneficial effects of the utility model are: cylindrical battery shell upper and lower end inwall is bonded with insulating barrier, are possible to prevent the contact battery case short circuit of both positive and negative polarity lug.Between battery core upper end and battery case top cover, position is provided with fire extinguishing layer, is possible to prevent battery core catching fire to explode.It is provided with explosion-proof valve on battery case top cover, improves battery security, when battery occurs blast on fire, and battery case inner high voltage effectively can release from explosion-proof valve immediately, prevent more major break down from occurring.Replaceable fastp-acting fuse is installed, when battery is short-circuited or exceeds the big electric current of rated power, and fastp-acting fuse fuses immediately, and protection battery uses safety in positive and negative electrode pole.Fastp-acting fuse can be effectively improved battery availability factor with changing.When battery occurs catching fire blast more it is, it is arranged on battery cover board fire extinguishing storehouse fusible alloy nozzle to melt the most immediately, fire extinguishing storehouse organic solvent extinguishing chemical can cover rapidly in battery surface, stop or reduce battery pack combustion explosion, reduce the danger that cells burst causes, reduce personal injury and property loss, improve battery further and use safety.
Accompanying drawing explanation
With embodiment, the utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is mounting structure schematic diagram of the present utility model；
Fig. 2 is perspective structure schematic diagram of the present utility model；
Fig. 3 is the structural representation of positive and negative electrode pole in the utility model；
Fig. 4 is the top view of the utility model battery case cap structure；
Fig. 5 is the structural representation in the utility model fire extinguishing storehouse；
Fig. 6 is the side view in the utility model fire extinguishing storehouse；
Fig. 7 is the structural representation of the utility model cylindrical battery connection in series-parallel composition battery pack.
Detailed description of the invention
With reference to Fig. 1-Fig. 7, a kind of fire prevention high-capacity cylindrical battery of the present utility model, including the battery core 2 in battery case 1, battery case 1, it is insulating heat-conductive high polymer that described battery case 1 upper and lower end inwall is bonded with insulating barrier 1a, described insulating barrier 1a；Between described battery core 2 upper end and the top cover 1b of battery case 1, position is provided with fire extinguishing layer 1c, and the layer 1c that put out a fire includes the fire extinguishing outer layer that low melting point polymer material is made and the organic solvent extinguishing chemical being filled in fire extinguishing outer layer.Wherein fire extinguishing outer layer can use fusing point 170 DEG C insulation high polymer material, organic solvent extinguishing chemical can be carbon tetrachloride, when battery core 2 internal temperature is higher than 170 DEG C time, the fire extinguishing outer layer fusing of fire extinguishing layer 1c ruptures, organic solvent extinguishing chemical in fire extinguishing outer layer covers on battery core 2 inner pole piece surface, stop the internal active material of battery core 2 to burn further, play the effect stoping and reducing cells burst explosion danger, be greatly improved security.
As the improvement of above-mentioned embodiment, battery case 1 outer surface is evenly distributed with radiating fin 1d, is greatly improved cylindrical battery radiating efficiency, improves battery availability factor.
As the further improvement of above-mentioned embodiment, battery case top cover 1b is provided with insulating trip 3, positive and negative electrode pole fixes nut 4, nut 7 and fire extinguishing storehouse 8 are fixed in positive and negative electrode pole 5, explosion-proof valve 6, fire extinguishing storehouse.
Positive and negative electrode pole fixes nut 4 and positive and negative electrode pole 5 material is copper, stainless steel or aluminium alloy.Fastp-acting fuse 55 it is equipped with in positive and negative electrode pole 5.
Positive and negative pole 5 includes pole nut 51 and pole bolt 52.nullPole nut 51 is just arranged on、Negative pole pole is fixed on nut 4，The front portion of pole nut 51 is tapped hollow bulb，Pole nut 51 material is copper、Stainless steel、The conductors such as nickel，It is positioned at this hollow bulb and is provided with resistance to big electric current spring I 53，Institute's pole bolt 52 is anterior for carrying externally threaded hollow bulb，The material of its front portion is ambroin，Pole bolt 52 rear portion is copper、Stainless steel、The conductors such as nickel，It is positioned at this hollow bulb and is provided with resistance to big electric current spring II 54，Tapped hollow bulb is threadeded with carrying externally threaded hollow bulb，Replaceable fastp-acting fuse 55 is installed in pole 5，It is effectively improved battery availability factor，In fastp-acting fuse 55 is placed in tapped hollow bulb and carries externally threaded hollow bulb，These fastp-acting fuse 55 two ends respectively with resistance to big electric current spring I 53、Resistance to big electric current spring II 54 contacts.
When battery is short-circuited or exceeds rated current time, the fastp-acting fuse 55 being arranged in pole 5 under conditions of high current, fuses rapidly, battery positive and negative pole 5 internal break, battery open circuit, and protection battery uses safety.
Fire extinguishing storehouse 8 includes fusible alloy nozzle 81, organic solvent extinguishing agent bin 82, fire extinguishing storehouse fixing hole 83 and positive and negative electrode pole column hole 84.Fix nut 7 realization fire extinguishing storehouse 8 by storehouse of putting out a fire on fixing bolt, fire extinguishing storehouse fixing hole 83 and battery case top cover 1b to be fixedly mounted on battery case top cover 1b.
Further, described organic solvent extinguishing agent bin 82 material is high-temperature insulation polymer, is organic solvent extinguishing chemical in described organic solvent extinguishing agent bin 82.
When battery core 2 catching fire explosion time in battery case 1, high-temperature high-pressure fuel gas breaks through the explosion-proof valve 6 arranged on battery case top cover 1b, fire extinguishing storehouse 8 fusible alloy nozzle 81 being positioned at explosion-proof valve 6 top on battery case top cover 1b melts the most rapidly, organic solvent extinguishing agent bin 82 organic solvent extinguishing chemical is derived from fusible alloy nozzle 81 immediately and is covered on battery core 2 surface, stops or reduces battery catches fire combustion explosion.Such as; fusible alloy nozzle 81 is 95 DEG C of low-melting alloys for fusing point; when environment temperature is higher than 95 DEG C; fusible alloy nozzle 81 response time is 1.5 seconds, after 1.5 seconds, and alloy melting; in organic solvent extinguishing agent bin 82, carbon tetrachloride is derived and is covered at battery surface; play fire-retardant fireproof effect, stop battery catches fire blast, protection personnel and property safety.
Described battery case 1 upper and lower side two side position has battery fixing nuts 1e, by connecting the battery fixing hole 1e of battery case 1, can realize the different demand power supply of cylindrical battery connection in series-parallel composition, its structural safety is reasonable, perfect heat-dissipating, can be widely applied to electric powered motor and accumulation power supply.
The above, better embodiment the most of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, within all should falling into protection domain of the present utility model.
Claims (6)
1. a fire prevention high-capacity cylindrical battery, including battery case and the battery core being arranged in battery case, it is characterized in that: described battery case upper and lower end inwall is bonded with insulating barrier, it is provided with fire extinguishing layer between described battery core upper end and the top cover of battery case, battery case outer surface is uniformly distributed and is provided with radiating fin, and battery case upper and lower side two side position has battery fixing nuts.
A kind of fire prevention high-capacity cylindrical battery the most according to claim 1, it is characterized in that: be respectively arranged with insulating trip, explosion-proof valve, fire extinguishing storehouse and fire extinguishing storehouse on the top cover of described battery case and fix nut, and positive and negative electrode pole fixes nut with positive and negative electrode pole.
A kind of fire prevention high-capacity cylindrical battery the most according to claim 2, it is characterised in that: it is equipped with fastp-acting fuse in described positive and negative electrode pole.
A kind of fire prevention high-capacity cylindrical battery the most according to claim 3, it is characterized in that: described just, negative pole pole includes pole nut and pole bolt, the front portion of described pole nut is tapped hollow bulb, resistance to big electric current spring I it is provided with in the hollow bulb of pole nut, described pole bolt front portion is for carrying externally threaded hollow bulb, resistance to big electric current spring II it is provided with in the hollow bulb of pole bolt, described tapped pole nut hollow bulb is threadeded with carrying externally threaded pole bolt hollow bulb, described fastp-acting fuse is placed in the hollow bulb of pole nut and the hollow bulb of pole bolt, these fastp-acting fuse two ends contact with resistance to big electric current spring I and resistance to big electric current spring II respectively.
A kind of fire prevention high-capacity cylindrical battery the most according to claim 2, it is characterized in that: described fire extinguishing storehouse includes fusible alloy nozzle, organic solvent extinguishing agent bin, fire extinguishing storehouse fixing hole and positive and negative electrode pole column hole, the explosion-proof valve top that described fusible alloy nozzle is positioned on top cover, described organic solvent extinguishing agent bin material is high-temperature insulation polymer, is organic solvent extinguishing chemical in organic solvent extinguishing agent bin.
A kind of fire prevention high-capacity cylindrical battery the most according to claim 1, it is characterised in that: described fire extinguishing layer includes the fire extinguishing outer layer that low melting point polymer material is made and the organic solvent extinguishing chemical being filled in fire extinguishing outer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620095007.0U CN205542914U (en) | 2016-01-29 | 2016-01-29 | Fire prevention high power capacity cylinder battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620095007.0U CN205542914U (en) | 2016-01-29 | 2016-01-29 | Fire prevention high power capacity cylinder battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205542914U true CN205542914U (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620095007.0U Expired - Fee Related CN205542914U (en) | 2016-01-29 | 2016-01-29 | Fire prevention high power capacity cylinder battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205542914U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654080A (en) * | 2016-11-09 | 2017-05-10 | 天津力神电池股份有限公司 | Novel cylindrical lithium ion battery cover |
| CN107425171A (en) * | 2017-03-06 | 2017-12-01 | 安普能源科技有限公司 | A kind of safe lithium battery group and connection method that connection battery core is locked using screw thread |
| CN108767146A (en) * | 2018-04-11 | 2018-11-06 | 苏州达方电子有限公司 | The safeguard structure of the inhibition battery thermal runaway of tool fire extinguishing effect |
| CN109585724A (en) * | 2017-09-29 | 2019-04-05 | 郑州宇通客车股份有限公司 | Vehicle and its battery case, battery modules, battery, cell support core |
| WO2022080174A1 (en) * | 2020-10-14 | 2022-04-21 | 三洋電機株式会社 | Sealed battery |
-
2016
- 2016-01-29 CN CN201620095007.0U patent/CN205542914U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654080A (en) * | 2016-11-09 | 2017-05-10 | 天津力神电池股份有限公司 | Novel cylindrical lithium ion battery cover |
| CN107425171A (en) * | 2017-03-06 | 2017-12-01 | 安普能源科技有限公司 | A kind of safe lithium battery group and connection method that connection battery core is locked using screw thread |
| CN109585724A (en) * | 2017-09-29 | 2019-04-05 | 郑州宇通客车股份有限公司 | Vehicle and its battery case, battery modules, battery, cell support core |
| CN108767146A (en) * | 2018-04-11 | 2018-11-06 | 苏州达方电子有限公司 | The safeguard structure of the inhibition battery thermal runaway of tool fire extinguishing effect |
| CN108767146B (en) * | 2018-04-11 | 2021-08-06 | 苏州达方电子有限公司 | Protective structure with fire extinguishing function for inhibiting thermal runaway of battery core |
| WO2022080174A1 (en) * | 2020-10-14 | 2022-04-21 | 三洋電機株式会社 | Sealed battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20190129 |